Finding the Fourth Proportional to 10,768.85, 16,118.71 and 5,758.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,768.85 : 16,118.71 = 5,758.71 : x
2. Step 2: Convert to fraction form
   10,768.85/16,118.71 = 5,758.71/x
3. Step 3: Cross multiply
   10,768.85x = 16,118.71 × 5,758.71
4. Step 4: Simplify right side
   10,768.85x = 92,822,976.46
5. Step 5: Solve for x
   x = 92,822,976.46/10,768.85
6. Step 6: Final answer
   x = 8,619.58